light-emitting diode
<electronics> (LED) a type of diode that emits light when current passes
through it. Depending on the material used the colour can be visible or
infrared. LEDs have many uses, visible LEDs are used as indicator lights on all
sorts of electronic devices and in moving-message panels, while infrared LEDs
are the heart of remote control devices.
See also smoke-emitting diode.
(1996-01-05)
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